CFD Turbulence Study of PWR Spacer-Grids in a Rod Bundle

Table 3

Summary of the CFD simulations.

Type	Total time [hrs]	Number of cores	RMS Courant	Statistic initial time [s]	Physical averaging time [s]
Split	367	12	1.30	0.28	1.25
Swirl	345	12	1.12	0.28	1.25